Table 1.
Variable | Level | Herds per level (%) | Herds per level (n) |
---|---|---|---|
General herd factors | |||
Number of sows |
< 250 |
58.4 |
73 |
250 - < 500 |
32.0 |
40 |
|
≥ 500 |
9.6 |
12 |
|
Number of nursery pigs |
≥ 250 - < 500 |
9.6 |
12 |
≥ 500 - <1,000 |
46.4 |
58 |
|
≥ 1,000 |
44.0 |
55 |
|
|
0 |
27.2 |
34 |
Number of fattening pigs |
> 1 - < 500 |
6.4 |
8 |
≥ 500 - < 1,000 |
25.6 |
32 |
|
≥ 1,000 - < 2,000 |
25.6 |
32 |
|
≥ 2,000 |
15.2 |
19 |
|
Production or age groups within the same building as the farrowing unit |
No others |
15.2 |
19 |
Nursery pigs and fattening pigs |
12.0 |
15 |
|
Sows |
48.0 |
60 |
|
Nursery-/ fattening pigs and sows |
24.8 |
31 |
|
Moving of sows through compartments stocked with nursery pigs |
No |
98.4 |
123 |
Yes |
1.6 |
2 |
|
Moving of sows through compartments stocked with fattening pigs |
No |
99.2 |
124 |
Yes |
0.8 |
1 |
|
Management in the farrowing unit | |||
Farrowing rhythm |
continuous farrowing |
4.8 |
6 |
Batch-wise farrowings: |
every week |
11.2 |
14 |
every second week |
31.2 |
39 |
|
every third week |
41.6 |
52 |
|
every fourth week |
9.6 |
12 |
|
at longer intervals than four weeks |
1.6 |
2 |
|
All-in/all-out policy |
100% of all batches |
68.0 |
85 |
< 100% of all batches |
32.0 |
40 |
|
Farrowing unit for sows not fitting into a dedicated batch of the rhythm (RTE) |
No |
56.8 |
71 |
Yes |
43.2 |
54 |
|
Idle time of the farrowing unit in days |
< 1 |
19.2 |
24 |
> 1 - < 3 |
46.4 |
58 |
|
> 3 |
34.4 |
43 |
|
Disinfection of the compartment before restocking |
100% of all batches |
23.2 |
29 |
< 100% of all batches |
76.8 |
96 |
|
Cleaning of the compartment with high pressure cleaner before restocking |
100% of all batches |
0.8 |
1 |
< 100% of all batches |
99.2 |
124 |
|
Washing of the sows before moving into the farrowing unit |
never |
45.6 |
57 |
100% of all batches |
32.8 |
41 |
|
< 100% of all batches |
21.6 |
27 |
|
Age of piglet in days p.p., when receiving first iron injection |
< 3 |
79.2 |
99 |
> 3 |
20.8 |
26 |
|
Repetition of iron injection in piglets |
No |
60.8 |
76 |
Yes |
39.2 |
49 |
|
Age of piglets in days, when castration takes place |
< 3 |
20.8 |
26 |
> 3 - < 7 |
49.6 |
62 |
|
> 7 |
29.6 |
37 |
|
Age of piglets in days, when tail docking takes place |
< 3 |
75.2 |
94 |
> 3 - < 7 |
24.8 |
31 |
|
Age of piglets in days, when teeth grinding takes place |
No teeth grinding |
35.2 |
44 |
> 1 - < 7 |
64.8 |
81 |
|
Age of piglets in days, when ear tagging takes place |
< 3 |
12.0 |
15 |
> 3 - < 7 |
40.8 |
51 |
|
> 7 |
47.2 |
59 |
|
Age of piglets in days, when weaning takes place |
< 20 |
8.0 |
10 |
> 20 - < 28 days |
87.2 |
109 |
|
> 28 |
4.8 |
6 |
|
Management in the nursery unit | |||
All-in/all-out policy |
100% of all batches |
83.2 |
104 |
< 100% of all batches |
16.8 |
21 |
|
Cleaning of the compartment with high pressure cleaner before restocking |
100% of all batches |
100.0 |
125 |
< 100% of all batches |
|
|
|
Disinfection of the compartment before restocking |
100% of all batches |
83.2 |
104 |
< 100% of all batches |
16.8 |
21 |
|
Management in the fattening unit | |||
All-in/all-out policy |
100% of all batches |
85.7 |
78 |
|
< 100% of all batches |
14.3 |
13 |
Cleaning of the compartment with high pressure cleaner before restocking |
100% of all batches |
90.1 |
82 |
|
< 100% of all batches |
9.9 |
9 |
Disinfection of the compartment before restocking |
100% of all batches |
69.2 |
63 |
|
< 100% of all batches |
30.8 |
28 |
Replacement policy (sows) | |||
Source of the gilts |
Own breeding |
11.2 |
14 |
Purchase |
88.8 |
111 |
|
Quarantine for gilts |
No |
5.3 |
6 |
Yes |
94.7 |
108 |
|
Duration of the quarantine in weeks |
≤ 3 |
24.1 |
26 |
> 3 - ≤ 6 |
66.6 |
72 |
|
> 6 |
9.3 |
10 |
|
Location of the quarantine compartment |
Separate farm |
8.3 |
9 |
Separate building |
69.5 |
75 |
|
Separate compartment |
22.2 |
24 |
|
All-in/all-out policy |
Yes |
86.1 |
93 |
No |
13.9 |
15 |
|
Exposure to the gilts |
Nothing |
55.5 |
60 |
Living pigs |
30.6 |
33 |
|
Faeces |
13.9 |
15 |
|
Replacement policy (boars) | |||
Source of replacement boars |
Own breeding |
52.0 |
65 |
Purchase |
48.0 |
60 |
|
Number of purchases of replacement boars in the last 12 month |
0 |
74.4 |
93 |
≥ 1 |
25.6 |
32 |
|
Quarantine for replacement boars |
No |
78.3 |
47 |
Yes |
21.7 |
13 |
|
Housing in the farrowing unit | |||
Flooring in the farrowing pen |
Completely plastic |
26.4 |
33 |
Other materials |
73.6 |
92 |
|
Flooring in the piglet creep |
Completely plastic |
28.0 |
35 |
Other materials |
72.0 |
90 |
|
Heating in the piglet creep |
Underfloor heating + infrared light |
63.2 |
79 |
Other systems |
36.8 |
46 |
|
Air inlet |
Door |
44.8 |
56 |
Other systems |
55.2 |
69 |
|
Air outlet |
Fan |
83.2 |
104 |
Other systems |
16.8 |
21 |
|
Housing of gilts | |||
Flooring |
Fully slatted |
39.8 |
43 |
Other systems |
60.2 |
65 |
|
Pen walls |
Concrete |
57.4 |
62 |
Open |
42.6 |
46 |
|
Feeding system |
Automatic |
60.2 |
65 |
Manual |
39.8 |
43 |
|
Air inlet |
Door |
23.1 |
25 |
Other systems* |
76.9 |
83 |
|
Air outlet |
Fan |
46.3 |
50 |
Other systems** |
53.7 |
58 |
|
Storage of manure |
Subsurface |
92.6 |
100 |
Outside of the compartment |
7.4 |
8 |
|
Housing of replacement boars | |||
Flooring |
Fully slatted |
46.2 |
6 |
Other systems |
53.8 |
7 |
|
Pen walls |
Concrete |
30.8 |
4 |
Open |
69.2 |
9 |
|
Feeding system |
Automatic |
69.2 |
9 |
Manual |
30.8 |
4 |
|
Air inlet |
Door |
30.8 |
4 |
Other systems |
69.2 |
9 |
|
Air outlet |
Fan |
53.8 |
7 |
Other systems |
46.2 |
6 |
|
Storage of manure |
Underfloor |
92.3 |
12 |
Outside of the compartment | 7.7 | 1 |
*Alternative systems for air inlet include perforated ceilings, air flaps along the outer wall, air flaps in the central aisle, etc.
**Alternative systems for air outlet include centralized subsurface exhaustion, decentralized subsurface exhaustion, etc.